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孤岛运行模式下的微网经济负荷分配
引用本文:习朋,李鹏,刘金鑫,钱江. 孤岛运行模式下的微网经济负荷分配[J]. 电网与水力发电进展, 2011, 27(8): 13-18
作者姓名:习朋  李鹏  刘金鑫  钱江
作者单位:1. 华北电力大学电力系统保护与动态安全监控教育部重点实验室,河北保定,071003
2. 华北电力大学电力系统保护与动态安全监控教育部重点实验室,河北保定071003;华北电力大学苏州研究院,江苏苏州215123
3. 山西运城供电分公司,山西运城,044000
基金项目:国家阻燃科学基金项目(50977029);国家电网公司山西省电力公司运城供电分公司科技项目(YC1028-20111074)
摘    要:研究了微网孤岛运行模式下的经济负荷分配问题,即在满足系统约束条件下如何优化微网中各微电源的出力,使微网的目标成本最小.建立了微网孤岛运行模式的经济负荷分配数学模型,然后采用改进粒子群优化算法对微网的经济负荷分配进行了研究.最后通过算例验证了数学模型与优化算法的正确性与自效性.

关 键 词:微网  孤岛运行  经济负荷分配  改进粒子群算法

Economical Load Dispatch of Microgrids in Isolated Mode
XI Peng,LI Peng,LIU Jin-xin and QIAN Jiang. Economical Load Dispatch of Microgrids in Isolated Mode[J]. Advance of Power System & Hydroelectric Engineering, 2011, 27(8): 13-18
Authors:XI Peng  LI Peng  LIU Jin-xin  QIAN Jiang
Affiliation:Key Laboratory of Power System Protection and Dynamic Security Monitoring and Control under Ministry of Education, North China Electric Power University, Baoding 071003, Hebei Province, China;Suzhou Institute of North China Electric Power University, Suzhou 215123, Jiangsu Province, China;Key Laboratory of Power System Protection and Dynamic Security Monitoring and Control under Ministry of Education, North China Electric Power University, Baoding 071003, Hebei Province, China;Shanxi Yuncheng Electric Power Supply Company, Yuncheng 044000 Shanxi Province, China
Abstract:This paper studies the economical dispatch of the microgrid in the isolated mode; that is, how to optimize the generation of micro-powers under the system constraints so as to minimize the total target costs of the mierogird. Firstly, an economical dispatch of the microgrid model is proposed. Then, the model is intensively studied with the improved particle swarm optimization (PSO) method. Finally, the economical dispatch of a small microgrid example is optimized with the proposed method, and the simulation results show the method is correct and effective.
Keywords:microgrid  isolated operation  eeonomie load dispatch  improved particle swarm optimization
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